Simple Identification Help

Dear Forum members,

I have an image which I need a scientific name and a common name. The pictures was shot in Pemba Africa and I normally dive in the Mediterranean that is why I am not so familiar. I need this to be precise as they might be published. Your help will be greatly appreciated.

AM i correct to say it is a

Coral Polyps (Feathery Xenid)

Thank you

Family: Xeniidae

Genus: Xenia

Species: Xenia sp. (someone might know specifically, but these are really hard to identify at species level)

Common Names (from more common to less common): Pom Pom Xenia, Pom Pom Coral, Pulse Coral, Waving Hand Coral